6LEE H K, KIM J T, LEE J H, et al. Personalized recommen- dation system for the social network services based on psycho-graphics[C]//Proceedings of the 2010 5th International Con- ference on Internet and Web Applications and Services. Wash- ington,D. C. ,USA:IEEE,2010:91-95.
7TIAN Xuan, DU Xiaoyong, HU He,et al. Modeling individu- al cognitive structure in contextual information retrieval[J]. Computers and Mathematics with Application, 2009, 57 (6): 1048-1056.
8LIU J H, DOLAN P, PEDERSEN E R. Personalized news recommendation based on click behavior[C]//Proceeding of the 14th International Conference on Intelligent User Inter- faces. New York, N. Y. , USA: ACM, 2010 : 31-40.
9DAS A, DATAR M, GARG A, eta[. Google news person- alization: scalable online collaborative filtering[C]//Proceed- ings of the 16th International Conference on World Wide Web. New York, N. Y. , USA: ACM, 2007 : 271-280.